TREA

John L. Grillo

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  • East Haddam, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Expansion sealing device
    • Patent number 5,121,947
    • Issue date Jun 16, 1992
    • The Lee Company
    • Leighton Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure relief valve
    • Patent number 4,930,553
    • Issue date Jun 5, 1990
    • The Lee Company
    • John L. Grillo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...